In Flow designer 'FDChangeDetails' object has no parametersIssue In flow designer, the trigger type of 'update' / 'create or update', there is a data pill available: 'Trigger - record created or updated -> Changed Fields -> FDChangeDetails' which should have valid parameters that hold the name of the fields. It is observed that the parameters are empty for this object FDChangeDetails. This situation is seen after performing a clone or update of an instance. The complex object FDCollection is not available in the sys_complex_object table due to which the object FDChangeDetails does not have any properties. As shown in image below. CauseThis situation may happen after a clone or an update of the instance.ResolutionImporting the XML file for FDCollection to affected instance which should resolve this issue. Following needs to be done to address this situation: The FDCollection XML file (in sys_complex_object) needs to be exported from an OOB instance corresponding to the affected instance's version. Import the XML file in the sys_complex_object table in the affected instance.Open Flow Designer and check Trigger - record created or updated -> Changed Fields -> FDChangeDetail - the properties should be available now. Below is what should be seen. Related LinksIt is recommended to import the XML file on sub-prod instance first, and after testing it thoroughly the change should be done in Production instance.Importing the XML file may require 'maint' access and ServiceNow may need to raise Change request to perform this change on your behalf.